this begins with retired four-star u.s. army general david petraeus. easily the most celebrated, best known general of the modern era. he resigned on friday, admitting to an affair. he was immediately linked to paula broadwell, like petraeus, she went to west point, an academic who wrote a biography of petraeus. we know about the affair because of jill kelley, she alerted the fbi, said she was getting anonymous harassing e-mails, turns out they were from broadwell. kelley dealt with a lot of generals both in the military and socially in tampa. overnight we learned another four-star general is involved. our current commander in afghanistan, he took over when petraeus left, john allen. now being investigated for what officials describe as potentially inappropriate e-mails with jill kelley of tampa. both of them deny any untoward relationship. they're reviewing the conduct of the first agent who reviewed jill kelley's e-mails in the first place, because he allegedly sent shirtless photos to jill kelley. in plain english, this is a mess. with hearings to c